red birch

同根派生

A bright red welt rose on his arm.
他的手臂上起了明显的条状红肿。
Keywords red birch （Betula albosinensis） seedlings;elevated CO_2;planting density;competition;nutrition;senescence;
红桦幼苗;CO_2浓度升高;种植密度;竞争;养分;衰老;
A red light is usually a signal of danger.
红灯通常是危险的信号。
He wore a red carnation in his buttonhole.
他的扣洞上了一朵红色康乃馨。
Effects of Light Intensity on the Traits of Photosynthesis and Chlorophyll Fluorescence of Red Birch Seedlings in Subalpine Area, Western China
光照强度对川西亚高山红桦幼苗光合及叶绿素荧光特性的影响